TYPICAL APPLICATIONS
RAIL-TO-RAIL VOLTAGE FOLLOWER/BUFFER
RAIL-TO-RAIL VOLTAGE COMPARATOR
+5V
5V
~
12
Z
= 10
Ω
IN
V
IN
0.1µF
0.1µF
-
-
+5V
OUTPUT
OUTPUT
+
V
+
IN
50K
10M
0≤ V ≤ 5V
IN
* See Rail to Rail Waveform
HIGH INPUT IMPEDANCE RAIL-TO-RAIL
PRECISION DC SUMMING AMPLIFIER
RAIL-TO-RAIL WAVEFORM
+5V
+2.5V
INPUT
10M
0V
V
1
+
0.1µF
V
2
+5V
10M
10M
V
OUT
10M
OUTPUT
0.1µF
-
0V
V
V- ≤ V ≤ V+
IN
3
4
- 2.5V
V
V- ≤ V
OUT
≤ V+
Performance waveforms.
Upper trace is the output of a
Wien Bridge Oscillator. Lower
trace is the output of Rail-to-rail
voltage follower.
10M
10M
V
OUT
= V + V - V - V
1 2 3 4
R
= 10MΩ Accuracy limited by resistor tolerances and input offset voltage
IN
WIEN BRIDGE OSCILLATOR (RAIL-TO-RAIL)
SINE WAVE GENERATOR
PHOTO DETECTOR CURRENT TO
VOLTAGE CONVERTER
R
F
= 5M
+2.5V
-
I
OUTPUT
+2.5V
-2.5V
-
+
10K
-2.5V
10K
V
= I x R
OUT F
PHOTODIODE
+
.01µF
R
= 10K
L
C = .01µF
10K
R = 10K
1
~
f =
~ 1.6KHz
2πR
C
* See Rail to Rail Waveform
LOW VOLTAGE INSTRUMENTATION AMPLIFIER
V+
0.1µF
1M
+
100K
500K
V+
-
-
100K
0.1µF
V-
0.1µF
0.1µF
f max = 20KHz
V
OUT
50K
V+ 1M
100K
-40mV ≤ V ≤ 40mV
IN
+
V+
-
0.1µF
V-
V-
1M
100K
1M
+
GAIN = 25 V- ≤ V
≤ V+. All resistors are 1%.
OUT
V+ = +1.0V, V- = -1.0V. Short circuit input current 1µA.
0.1µF
V-
ALD1701A/ALD1701B
ALD1701/ALD1701G
Advanced Linear Devices
6 of 9
ALD [ ADVANCED LINEAR DEVICES ]
